# Not able to access site after letsencrypt cert expiry and rebuild due to IPV6

**URL:** https://meta.discourse.org/t/not-able-to-access-site-after-letsencrypt-cert-expiry-and-rebuild-due-to-ipv6/65851
**Category:** Support
**Created:** [8 يوليو 2017، 8:10ص UTC](https://meta.discourse.org/t/not-able-to-access-site-after-letsencrypt-cert-expiry-and-rebuild-due-to-ipv6/65851 "2017-07-08T08:10:57Z")
**Posts on this page:** 1
**Showing post:** 8

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### Author: ![tgxworld](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/tgxworld/32/106117_2.png) [@tgxworld](https://meta.discourse.org/u/tgxworld)
#### Post date: [13 يوليو 2017، 7:08ص UTC](https://meta.discourse.org/t/not-able-to-access-site-after-letsencrypt-cert-expiry-and-rebuild-due-to-ipv6/65851/8 "2017-07-13T07:08:32Z")

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I worked with @Umashankar_Ankuri and this looks like a case where the domain’s IPv6 address was configured incorrectly causing the validation check to fail.

[https://github.com/Neilpang/acme.sh/issues/867](https://github.com/Neilpang/acme.sh/issues/867)

@Umashankar_Ankuri can confirm the problem once he fixes his DNS settings.

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